----- Believe it or not, my sister and I are twins.

----Oh, you must have had the case ________ you were taken for your sister.

A．which

B．whose

C．where

D．whom

以下关于MsgBox的叙述中，错误的是（ ）。

A．MsgBox函数返回一个整数

B．通过MsSBox函数可以设置信息框中图标和按钮的类型

C．MsgBox语句没有返回值

D．MsgBox函数的第二个参数是一个整数，该参数只能确定对话框中显示的按钮数量